Home / 10,031,000.42-13,842,940.83-5,679,968.78

Finding the Fourth Proportional to 10,031,000.42, 13,842,940.83 and 5,679,968.78

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Solution

The fourth proportional to 10,031,000.42, 13,842,940.83 and 5,679,968.78 is: 7,838,447.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,031,000.42 : 13,842,940.83 = 5,679,968.78 : x
  2. Step 2: Convert to fraction form
    10,031,000.42/13,842,940.83 = 5,679,968.78/x
  3. Step 3: Cross multiply
    10,031,000.42x = 13,842,940.83 × 5,679,968.78
  4. Step 4: Simplify right side
    10,031,000.42x = 78,627,471,737,787.30
  5. Step 5: Solve for x
    x = 78,627,471,737,787.30/10,031,000.42
  6. Step 6: Final answer
    x = 7,838,447.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.